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Electrical Question What is a 3-Way Switch


By Dave Rongey - Summary:

When a light fixture needs to be turned on or off from two locations two 3-way switches are used. A typical application would be…

Electrical Question from Ko about 3-Way Switches
Background: Ko, a Student from Yangon City & Myanmar Country

Question: What is 3-way electrical switch ?

Dave’s Reply:
Thanks for your electrical question Ko.  When a light fixture needs to be turned on or off from two locations two 3-way switches are used. A typical application would be a hallway that has access from either end. Therefore having a 3-way switch at each entrance of the hallway would provide the ability to turn the lights on or off. Another application would be a stairway. 3-Way switches are also used with 4-way switches, which allows 3 or more switches to control light fixtures.

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2 Responses to “Electrical Question What is a 3-Way Switch”
  1. Dave Rongey says:

    Well M A, I guess you could call it an intermediat switch depending where your located at.
    Thanks!

  2. M A Suleman says:

    Don’t we call this switch as intermediat switch